package com.zlj.response;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 禁用浏览器缓存
 * 
 * Cache-control pragma expires
 */
@WebServlet("/EServlet")
public class EServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	public  void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		response.setHeader("Cache-control", "no-cache");
		response.setHeader("pragma", "no-cache");
		response.setDateHeader("expires", -1);
		response.getWriter().print("Hello servlet");
	}
}
